Re: RFC Nested Set manipulation class

Richard Wall wrote: [..] > > The package helps with manipulating nested sets. > > It also allows to move and copy trees and subtrees and it > > implements a callback mechanism to > > call other methods on node move, delete, etc.. > > Sounds interesting, but have you got any examples of how to use it. I > guess it's for handling table records in a single table eg a table of > employees with parent manager links. I'll set up a little site with examples. Basically the class allows you to store and manipulate trees inside a relational database. It can be used for directory structures inside a CMS but also to store items for a webshop or threads for a forum, etc. In our case we use the class in a general purpose framework which allows us to create GUI's for backends and CMS. We have a table with node types. Each created node has a type. Depending on the type, we call different modules of the framework. So we can have a node which gives us a shop item editor and another node which contains the permission settings. The menu is created using a open source javascript called treemenu. Here a screenshot how the menu looks like: http://vie1.webcluster.at/relatix.jpg It's german but that shouldn't be a problem in this case. I can contribute the methods for creating the array for treemenu too but I don't know if that really fits into pear (?) > Re the callback facility. Wouldn't it be better to define an > 'addEventListener($eventType, &$eventListener)' and > dispatch/triggerEvent($eventType) methods and an eventListener > interface from which eventListeners could inherit. Might make things > simpler. That's a very good point. I'll add that if the package is accepted to pear. I am now also thinking that the callback thing isn't that smart but in my case it does it's job :) -- Daniel [datenPUNK] Khan